What was done. (1) Inputs/outputs for routines used to calculate aircraft parameters were defined. (2) By examining these inputs/outputs, a linear, fixed, repeatable, and automated process to manage the complexity of Class 2 aircraft design/analysis, and to develop a full set of outputs (589) from a minimum set of inputs (430), was created. (3) Using this process, a numerical engine for Class 2 aircraft design/analysis was developed. (4) A simulation was wrapped around the aircraft model to determine the performance of a Class 2 aircraft design against a given mission profile. (5) Trade studies evaluating the Class 2 aircraft design performance against a mission profile were performed to demonstrate the usefulness of the software.; What is new. (1) A linear, fixed, repeatable, and automated process for developing a complete set of Class 2 aircraft design outputs without the duplication of any calculations and without any iteration. (2) A method to evaluate the performance of a Class 2 aircraft design against a given mission profile with a reasonable expenditure of resources.; Benefits. (1) Three-hour mission profile time histories of Class 2 aircraft designs can be produced in fifteen minutes. (2) Trade studies can be performed 160 times more quickly and are free from bookkeeping errors. (3) Performing single and multivariable optimization of a Class 2 aircraft design against a mission profile with a reasonable expenditure of resources. (4) Determining which kinds of objective functions best evaluate the performance of a Class 2 aircraft design against a mission profile. (5) Evaluating the performance of Class 2 aircraft design against a compound mission profile made up of multiple mission profiles. (6) Comparing Class 2 aircraft design analysis methods against flight test data to determine their accuracy and to develop improved methods. (7) Preliminary aircraft flight manual data and plots, and predictive models for new aircraft can be developed for use in pilot training simulators in advance flight test data. (8) The Class 2 aircraft design model can be used as the foundation for a knowledge-based system for aircraft design.
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